Camper trailer



FIG. 1 is a perspective view of a camper trailer showing the left side and rear thereof;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a top view thereof.

The depths, broken lines, and surface shading shown in the figures are for illustrative and environmental purposes only. They do not form a part of the claimed design. 

The ornamental design for a camper trailer, as shown and described. 